From: Yinghai Lu <yinghai@kernel.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH] memblock: Don't adjust size in memblock_find_base()
Date: Sun, 09 Jan 2011 22:59:25 -0800 [thread overview]
Message-ID: <4D2AAE4D.7030809@kernel.org> (raw)
In-Reply-To: <1294638989.17779.296.camel@pasglop>
On 01/09/2011 09:56 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2011-01-07 at 12:41 -0800, Yinghai Lu wrote:
>> While applying patch to use memblock to find aperture for 64bit x86.
>> Ingo found system with 1g + force_iommu
>
> Please run that through DaveM. I seem to remember that he relies on the
> size alignment to ensure that a lot of tiny allocations get properly
> coalesced or he runs out of regions at boot time.
should be safe, the path that DaveM need, still have those size alignment applied.
Thanks
Yinghai
next prev parent reply other threads:[~2011-01-10 7:01 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-18 0:58 [PATCH 0/3] memblock related top down Yinghai Lu
2010-12-28 0:47 ` [PATCH 0/6] memblock related further cleanup for x86 Yinghai Lu
[not found] ` <4D19320B.7030007@kernel.org>
2010-12-28 0:47 ` [PATCH 1/6] x86: Change get_max_mapped() to inline Yinghai Lu
2010-12-29 23:05 ` H. Peter Anvin
2010-12-29 23:30 ` Yinghai Lu
2010-12-29 23:37 ` Yinghai Lu
2010-12-29 23:42 ` H. Peter Anvin
2010-12-29 23:45 ` [PATCH -v2 " Yinghai Lu
2011-02-16 8:50 ` [tip:x86/mm] " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 2/6] x86, 64bit, numa: Allocate memnodemap under max_pfn_mapped Yinghai Lu
2011-02-16 8:50 ` [tip:x86/mm] x86-64, " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 3/6] x86, 64bit, numa: Put pgtable to local node memory Yinghai Lu
2010-12-29 23:46 ` [PATCH -v2 " Yinghai Lu
2010-12-29 23:50 ` H. Peter Anvin
2010-12-30 0:11 ` Yinghai Lu
2010-12-30 0:39 ` David Rientjes
2010-12-30 0:58 ` H. Peter Anvin
2010-12-30 1:07 ` David Rientjes
2010-12-30 1:53 ` H. Peter Anvin
2010-12-30 9:06 ` Ingo Molnar
2010-12-30 10:28 ` [boot crash] " Ingo Molnar
2010-12-30 10:30 ` Ingo Molnar
2010-12-30 12:01 ` [build failure] " Ingo Molnar
2010-12-30 18:53 ` David Rientjes
2010-12-30 18:54 ` [patch] x86, numa: Fix CONFIG_DEBUG_PER_CPU_MAPS without NUMA emulation David Rientjes
2011-01-06 20:39 ` David Rientjes
2011-01-06 21:25 ` Yinghai Lu
2011-01-06 23:58 ` David Rientjes
2011-01-07 15:32 ` [tip:x86/numa] " tip-bot for David Rientjes
2010-12-30 21:18 ` [boot crash] Re: [PATCH -v2 3/6] x86, 64bit, numa: Put pgtable to local node memory Yinghai Lu
[not found] ` <AANLkTimpyRXS9dNFATh4GqtA46uynutAvK7Qb5S7WPFO@mail.gmail.com>
[not found] ` <20110105134434.GA22816@elte.hu>
2011-01-05 21:24 ` Yinghai Lu
2011-01-07 20:41 ` [PATCH] memblock: Don't adjust size in memblock_find_base() Yinghai Lu
2011-01-10 5:56 ` Benjamin Herrenschmidt
2011-01-10 6:59 ` Yinghai Lu [this message]
2011-01-12 1:35 ` Yinghai Lu
2011-01-29 0:37 ` [PATCH - resend] " Yinghai Lu
2011-02-03 20:25 ` Andrew Morton
2011-02-03 20:37 ` Yinghai Lu
2011-02-16 8:51 ` [tip:x86/mm] x86-64, numa: Put pgtable to local node memory tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 4/6] x86: Use early pre-allocated page table buffer top-down Yinghai Lu
2010-12-28 0:48 ` [PATCH 5/6] x86, 64bit: Move out cleanup higmap [_brk_end, _end) out of init_memory_mapping() Yinghai Lu
2011-02-16 8:51 ` [tip:x86/mm] x86-64: " tip-bot for Yinghai Lu
2010-12-28 0:48 ` [PATCH 6/6] x86: Rename e820_table_* to pgt_buf_* Yinghai Lu
2010-12-30 21:54 ` [PATCH -v2 " Yinghai Lu
2010-12-28 20:21 ` [PATCH 0/3] memblock related top down H. Peter Anvin
2010-12-28 21:36 ` Yinghai Lu
2010-12-28 22:09 ` H. Peter Anvin
2010-12-28 22:25 ` Yinghai Lu
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